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# magic 8 lesson
a fortune teller game with the BBC micro:bit #string #shake #clear -screen #if #string #number #var #docs
## Topic
If (Conditionals)
## Quick Links
* [activity ](/microbit/lessons/magic-8/activity )
* [challenges ](/microbit/lessons/magic-8/challenges )
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* [quiz ](/microbit/lessons/magic-8/quiz )
* [quiz answers ](/microbit/lessons/magic-8/quiz-answers )
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## Prior learning/place of lesson in scheme of work
Learn how to creating **conditionals** , `if condition do` to conditionally run code depending on whether a condition is true or not. We will be learning how to create a fortune telling app using local variable and conditionals (If), input on shake as well as simple commands, such as show string, show number, and clear screen.
## Documentation
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```docs
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if (true) {
}
Math.random(3)
input.onGesture(Gesture.Shake, () => {
})
basic.showNumber(7)
basic.clearScreen()
basic.showString("Hello!")
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```
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## Objectives
* learn how to show a string on the LED screen
* learn how to show a number on the LED screen
* learn how to learn how to turn off all the LED lights on the LED screen
* learn how to use the input on shake
* learn how to learn how to create a local variable to store data so that you can use it later in your code
* learn how to learn how to return a random number
* learn how to learn how to conditionally run code depending on whether a condition is true or not
